Trailer extension hitch



FIG. 1 is a perspective view of a trailer extension hitch showing my newdesign.

FIG. 2 is a left side elevation view thereof.

FIG. 3 is a right side elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a front elevation view thereof.

FIG. 6 is a bottom plan view thereof.

The ornamental design for a trailer extension hitch, as shown.